Function kvarn::prelude::utils::prelude::compact_str::core::arch::x86_64::_mm_tzcnt_64
1.27.0 · source · pub unsafe fn _mm_tzcnt_64(x: u64) -> i64
Available on non-crate feature
miri-test-libstd
and x86-64 only.Expand description
Counts the number of trailing least significant zero bits.
When the source operand is 0
, it returns its size in bits.